GeForce4 MX 420 vs Radeon HD 7970 X2
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 1.0 (2012−2020) | Celsius (1999−2005) |
| GPU code name | New Zealand | NV17 A3 |
| Market segment | Desktop | Desktop |
| Release date | 31 August 2012 (11 years ago) | 6 February 2002 (22 years ago) |
| Launch price (MSRP) | $899 | no data |
| Current price | $316 (0.4x MSRP) | $31 |
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 2048 | no data |
| Core clock speed | 925 MHz | 250 MHz |
| Number of transistors | 4,313 million | 29 million |
| Manufacturing process technology | 28 nm | 150 nm |
| Power consumption (TDP) | 500 Watt | no data |
| Texture fill rate | 118.4 | 1.000 |
| Floating-point performance | 2x 3,789 gflops | no data |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | PCIe 3.0 x16 | AGP 4x |
| Length | 292 mm | no data |
| Width | 2-slot | 1-slot |
| Supplementary power connectors | 3x 8-pin | None |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR5 | SDR |
| Maximum RAM amount | 3 GB | 64 MB |
| Memory bus width | 384 Bit | 64 Bit |
| Memory clock speed | 5500 MHz | 166 MHz |
| Memory bandwidth | 264.0 GB/s | 1.328 GB/s |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | 1x DVI, 4x mini-DisplayPort | 1x VGA, 1x S-Video |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 8.0 |
| Shader Model | 5.1 | no data |
| OpenGL | 4.6 | 1.3 |
| OpenCL | 1.2 | N/A |
| Vulkan | 1.2.131 | N/A |
Pros & cons summary
| Recency | 31 August 2012 | 6 February 2002 |
| Maximum RAM amount | 3 GB | 64 MB |
| Chip lithography | 28 nm | 150 nm |
We couldn't decide between Radeon HD 7970 X2 and GeForce4 MX 420. We've got no test results to judge.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
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